Stopper for vacuum-bottles.



G. P. VAN WYE. STOPPEB FOB VACUUM BOTTLES. APPLIoA'rIox Pimm :un: 30.1908.

918,246. r Patented Apr. 13, 1909.

WITNESSES: [NVE/V701? iM-M 1MM/Z A'UNITED' sTATEs PATENT oEEroE.

GARRY P. VAN WYE, 0F NEW YORK, N.,Y.

STOPPER FR VACUUM-BOTTLES.

To all lwhom 'it may concern.'

Be it knownthat I, GARRY P. VAN WYE, a citizen of the United States, residing at New York, in the county and State of New York, have invented a new and useful Stopper for Vacuum-Bottles, of which the following is a specification.

This invention relates to Stoppers for .bottles, and'especially to Stoppers for vacuum insulated bottles-which are used to keep the contents hot or cold; and-the object thereof is to providev a stop er which will not become im regnated with ille contents of the bottle.

, In ottles of this kind it is customary to use them for many different beverages, as colee, wine, milk, and unless the cork is changed for each beverage it soon becomes impregnated with the dilferent beverages and becomes very offensive'. Even where onl one kind of beverage is used, the cork usua ly becomes so ermeated with it as to be objectionable.

t is the purpose of this invention to provide a stopper so constructed as to prevent any of the contents entering the stopper, and ,i at the same time, not detract from the efiiciency of the ordinary cork stopper as a heat insulator.

The invention is illustrated in the accompanying drawing, in -which-- Figure 1, is a vertical section of a stopper constructed according to my invention, and a vertical section of a portion of a vacuum bottle with the stopper applied thereto, and Fig. 2, is a perspective view of the stopper.

In the drawing, like numerals of reference refer to the same arts in each of the views; and in practice provide a stopper which may be com osed of any suitab e material, but preferablyl of cork for vacuum bottles owing to its non-heat conducting qualities;

l and in order to render this eorkimpervious to the contents of the bottle, I have provided a ferrule of very thin material, aluminum, which I mount on t thereof. The cork, or body portion-'I indicate by 3, and the ferrule by 4, and the vacu. um bottle to which it is ap liedfis indicated by 5. As shown in Fig. 1, tiie vacuum chamreferably of e smallend Specification of Letters Patent.

Application led June 80, 1908.

- Patented April 13, 1909. Serial No. 441,212.

ber extends up the neck of the bottle to the lip, and the ferrule 4, does not extend up the body portion of the cork far enough to be eX- posed at the mouth of the vessel, thereby alowing for a portion of the-'cork 6, to engage the neck of the bottle below the top of the vacuum chamber, and electually shutting 0H the conduction of heat from the bottle by the ferrule. By this construction I am able to protect the stopper from be' impregnated with the contents of the bolllge, and, at the same time, no heat will be lost through the metal ferrule. I have thus been able to overcome a serious ob'ection to the cork stopper, and have provi ed means to prevent the absorption by the cork of any ingredient, or beverage ordinarily used in these bottles whether hot or cold.

In applying the ferrules, they should be stam ed up out of very thin sheet metal; and may llie-secured to the cork in any desired manner.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent of the United States is:

1. The combination with a vacuum bottle having a vacuum insulated neck of a stopper comprising a tapered body portion of cork, and a i'errule ol' non-absorbent material, on the small end thereof, a portion of the cork ab've said i'errule being in engagement with the said vacuum insulated neck, as and for the purpose set forth.

2. The combination with 'a lvacuum bottle having a vacuum insulated neck of a stopper comprising a body portion'of low heat conductivity, and a liquid vcontact portion of non-absorbent material,saidlowheatconduction material being in contact with the said vacuum insulated neck above said nonabsorbent material, for the urpose set forth.

In testimony 'whereof I name to this specication in two subscribing'witnesses.`

GARRY -P. VAN WYE. Witnesses:

ADELE V. JUILLERAT, C. H. BEnTHoLF,

ave signed my the presence of 

